import app from './app';
import http from 'http';
import { initSocket } from './realtime/socket';

const PORT: number = parseInt(process.env.PORT || '5000', 10);

// Start server
const startServer = (): void => {
  try {
    const server = http.createServer(app);
    initSocket(server);
    server.listen(PORT, () => {
      console.log(`🚀 Server running on port ${PORT}`);
      console.log(`📊 Environment: ${process.env.NODE_ENV || 'development'}`);
      console.log(`🌐 API Base URL: http://localhost:${PORT}`);
      console.log(`❤️  Health Check: http://localhost:${PORT}/health`);
      console.log(`🔌 Socket.IO path: /socket.io`);
    });
  } catch (error) {
    console.error('❌ Unable to start server:', error);
    process.exit(1);
  }
};

// Graceful shutdown
process.on('SIGTERM', () => {
  console.log('🛑 SIGTERM signal received: closing HTTP server');
  process.exit(0);
});

process.on('SIGINT', () => {
  console.log('🛑 SIGINT signal received: closing HTTP server');
  process.exit(0);
});

startServer();